Finding the Fourth Proportional to 2,590,519.76, 3,886,105.16 and 1,390,793.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,519.76 : 3,886,105.16 = 1,390,793.04 : x
2. Step 2: Convert to fraction form
   2,590,519.76/3,886,105.16 = 1,390,793.04/x
3. Step 3: Cross multiply
   2,590,519.76x = 3,886,105.16 × 1,390,793.04
4. Step 4: Simplify right side
   2,590,519.76x = 5,404,768,009,236.09
5. Step 5: Solve for x
   x = 5,404,768,009,236.09/2,590,519.76
6. Step 6: Final answer
   x = 2,086,364.32